What Is Sleep Apnea?
What Caused Sleep Apnea?
The most common type of sleep apnea is obstructive sleep apnea (OSA), caused by relaxation of soft tissue in the back of the throat that blocks the passage of air. Central sleep apnea (CSA) is caused by irregularities in the brains normal signals to breathe. Some people with sleep apnea have a combination of both types.
What Are Sleep Apnea Symptoms?
OSA is more common in men than women and in people who are overweight or obese. Here are some symptoms to look for if you suspect you are suffering from this disorder.
* Excessive Daytime Sleepiness
* Restless Sleep
* Loud Snoring (With Periods Of Silence Followed By Gasps)
* Falling Asleep During The Day
* Morning Headaches
* Trouble Concentrating
* Mood or Behavior Changes
* Weight Gain
* Increased Heart Rate
Most people with sleep apnea have obstructive apnea “OSA”, in which the person stops breathing during sleep due to airway blockage. Breathing is resumed within a few seconds, but periods of as long as sixty seconds are not uncommon in serious cases.
OSA is more common amongst people who snore, who are obese, who consume alcohol, or who have anatomical abnormalities of the jaw or soft palate. However, atypical cases do occur, and the condition should not be ruled out unilaterally merely because the patient does not fit the profile.
“OSA” is caused by the relaxation of the muscles in the airway during sleep. Whilst the vast majority of people successfully maintain an open upper airway and breathe normally during sleep, a significant number of individuals are prone to severe narrowing or occlusion of the pharynx, such that breathing is impeded or even completely obstructed. As the brain senses a build-up of carbon dioxide, airway muscles are activated which open the airway, allowing breathing to resume but interrupting deep sleep.
The prognosis is that sleep apnea left untreated can be life threatening. Excessive daytime sleepiness can cause people to fall asleep at inappropriate times, such as while driving. Sleep apnea appears to put individuals at risk for stroke. Successful treatment can also reduce the risk of heart and blood pressure problems.
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